Lepidonotus is a genus of marine annelids in the family Polynoidae (scale worms).

The genus occurs globally and includes 80 species, usually found in shallow waters down to about 80 metres.

Parapodia with elongate acicular lobes with both acicula penetrating epidermis.

Neurochaetae much more stout, with rows of spines distally and unidentate and/or bidentate tips (see Barnich & Fiege, 2003 for detailed diagnosis) .

[2] The following species of Lepidonotus were accepted as valid as of June 2020:[1]